Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-01-2025 14:40

General

  • Target

    28f731600eedc07ebf8d60faa7d4322d4a5f2bde6d8f3394616f0f6d74de4ad3.exe

  • Size

    134KB

  • MD5

    f4b1adc0184021c94cf8384a1d29ac30

  • SHA1

    092c451b993486aff776c87a6bfaea0249c1f29f

  • SHA256

    28f731600eedc07ebf8d60faa7d4322d4a5f2bde6d8f3394616f0f6d74de4ad3

  • SHA512

    5dd1bd77fd58fdaf641f52d0cb9947fccf07a512870381eda0a2a9d96b5951a931ee4e81300e2e3628e24662ca55298b4d71de7f1cc5353fe8f0fd0659d5180d

  • SSDEEP

    1536:8DfDbhERTatPLTH0iqNZg3mqKv6y0RrwFd1tSEsF27da6ZW72Foj/MqMabadwCif:iiRTeH0iqAW6J6f1tqF6dngNmaZCiaI

Malware Config

Extracted

Family

neconyd

C2

http://ow5dirasuek.com/

http://mkkuei4kdsz.com/

http://lousta.net/

Signatures

  • Neconyd

    Neconyd is a trojan written in C++.

  • Neconyd family
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 7 IoCs
  • Drops file in System32 directory 1 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\28f731600eedc07ebf8d60faa7d4322d4a5f2bde6d8f3394616f0f6d74de4ad3.exe
    "C:\Users\Admin\AppData\Local\Temp\28f731600eedc07ebf8d60faa7d4322d4a5f2bde6d8f3394616f0f6d74de4ad3.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1320
    • C:\Users\Admin\AppData\Local\Temp\28f731600eedc07ebf8d60faa7d4322d4a5f2bde6d8f3394616f0f6d74de4ad3.exe
      C:\Users\Admin\AppData\Local\Temp\28f731600eedc07ebf8d60faa7d4322d4a5f2bde6d8f3394616f0f6d74de4ad3.exe
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2556
      • C:\Users\Admin\AppData\Roaming\omsecor.exe
        C:\Users\Admin\AppData\Roaming\omsecor.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1264
        • C:\Users\Admin\AppData\Roaming\omsecor.exe
          C:\Users\Admin\AppData\Roaming\omsecor.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Drops file in System32 directory
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1832
          • C:\Windows\SysWOW64\omsecor.exe
            C:\Windows\System32\omsecor.exe
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1844
            • C:\Windows\SysWOW64\omsecor.exe
              C:\Windows\SysWOW64\omsecor.exe
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2128
              • C:\Users\Admin\AppData\Roaming\omsecor.exe
                C:\Users\Admin\AppData\Roaming\omsecor.exe
                7⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:2000
                • C:\Users\Admin\AppData\Roaming\omsecor.exe
                  C:\Users\Admin\AppData\Roaming\omsecor.exe
                  8⤵
                  • Executes dropped EXE
                  • System Location Discovery: System Language Discovery
                  PID:2696

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\omsecor.exe

    Filesize

    134KB

    MD5

    4d23bb21c3e235a254f682b7eec0504a

    SHA1

    bac0be8afaa16d7c4c716310d745424e9b322aac

    SHA256

    b30ff66298e0363b37a2f53cc0e24e7399ff62d387398cf0a703f859566f3f12

    SHA512

    a00330dce8069c8d23813a2dade77a0cca2ca5eaf9cbfb2651708b5312f5173e275fca26cbc51db3c7fe08cf32e1063f49d2fa16e4ba811ecc4ca930e014382d

  • \Users\Admin\AppData\Roaming\omsecor.exe

    Filesize

    134KB

    MD5

    39a588e079b61c002661544607507336

    SHA1

    1b93682e7d9bf687815d0c403b3d3b2e6c12afa5

    SHA256

    cc4496cd6d653e0f06707ec05b283edf90fba9947ef4b931e18c7d8d9c070eeb

    SHA512

    8e46ead7985e53fdd3f9b11c3d794f9791320731d1948e9d98669874e99282d63d82e55f028940d3bdf48ff67a251eca20278e5055ae5dc76490bf450ae7d538

  • \Windows\SysWOW64\omsecor.exe

    Filesize

    134KB

    MD5

    e88e3d64a696a33e8327cab688da3ffc

    SHA1

    777a97746750fe2227110acba3a3b4857bceabc2

    SHA256

    6b502f5c2f8f8eee63c581876f0ff044fc18dc135d939c3755f46644b84b9e53

    SHA512

    96699b0983ac4b60e5f279315294c2849ddc45175fce938231ceee646e820d9641434c450b375a45d6075f867fd4ffcec2bdfaa03f5f7251bad0d41f4ebc53a7

  • memory/1264-29-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1264-21-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1320-0-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1320-6-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1832-37-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/1832-46-0x00000000002A0000-0x00000000002C4000-memory.dmp

    Filesize

    144KB

  • memory/1832-33-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/1832-40-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/1832-43-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/1832-55-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/1844-63-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1844-56-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2000-84-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2128-70-0x0000000000230000-0x0000000000254000-memory.dmp

    Filesize

    144KB

  • memory/2556-5-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/2556-8-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/2556-18-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/2556-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2556-1-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/2556-19-0x00000000003D0000-0x00000000003F4000-memory.dmp

    Filesize

    144KB

  • memory/2696-86-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/2696-89-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB